Set of 20 1/4" Shank Diamond Coated Grinding Burrs Sets, 60 Grit Diamond Mounted Points Carving Bits Grinding Bits Grinding Head for 1/4" Die Grinder/Cordless Drill

• 🔹🔹. Shank diameter: 1/4inch (6mm) , Head diameter : approx 6mm ~10mm , die grinder bits perfect for jade grinding, mold repairing, glass carving, cast cleaning, burr welding, polishing
• 🔹🔹. These diamond grinding drill bits fits most of electric machine, rotary drills and grinders.
• 🔹🔹. Diamond burr sets 1/4" shank great for grinding most of hard material ,such as iron ,glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, metals
• 🔹🔹. Multiple shapes diamond bit : such as Sphere, cylinder, bullet, taper head shape helps do different work like drilling holes, grinding, graving,
• 🔹🔹. Good gift for DIY enthusiast hobbyist or craft fan, wear-resistant, maintain sharpness, not easy to fall off. (Note: use water for coolant, keep drill Smooth rotation)

Diamond coated Grinding Drill Bits sets Material : Alloy ,diamond Shank Diameter : 6mm/ 1/4 inch Total length: 2-3/8" (60mm) Grit : 60 (medium) Heads Shapes: Sphere, cylinder, bullet, needle, taper Can applied to hard material below: 1. sandstone and marble, granite, basalt, limestone, dolomite 2. floor tiles, glaze, underglaze, blue and white, pink ancient, wall tiles 3. Iron, aluminum, stainless steel 4. precious stone, metals Package include: 20pcs x 60 grit Diamond Grinding Burrs